8-12+ years of networking or security infrastructure experience, including at least 5 years of NAC or identity-services experience.
Robust hands-on experience with Aruba ClearPass Policy Manager administration and complex authentication troubleshooting.
Deep knowledge of 802.1X, RADIUS, TACACS+, EAP methods, certificates, PKI, Active Directory, LDAP, endpoint profiling, and authorization.
Experience with large-scale wired and wireless NAC environments, high availability, upgrades, and security integrations.
Working knowledge of routing, switching, wireless, firewalls, DHCP, DNS, APIs, automation, and ITIL processes.

ResponsibilitiesAruba ClearPass NAC - Primary
Administer and troubleshoot Aruba ClearPass Policy Manager clusters, nodes, services, policies, roles, enforcement profiles, and network device definitions.
Configure and troubleshoot 802.1X, MAC Authentication Bypass, RADIUS, TACACS+, EAP-TLS, PEAP, certificate-based authentication, and authorization flows.
Manage endpoint profiling, posture, device categories, custom fingerprints, role mapping, segmentation,



and access enforcement.
Support ClearPass Guest, Onboard, OnGuard, captive portal, BYOD, sponsor workflows, and certificate lifecycle processes where deployed.
Integrate ClearPass with Active Directory, LDAP, PKI, MDM/UEM, SIEM, firewalls, wireless controllers, switches, and ITSM platforms.
Troubleshoot authentication failures using Access Tracker, event viewer, RADIUS attributes, endpoint data, certificates, packet captures, and device logs.
Plan and execute upgrades, patches, cluster maintenance, backups, restores, migrations, certificate renewals, and disaster-recovery tests.
Develop standards, reusable policy designs, APIs, automation, reporting, audit controls, and operational documentation.
Operations, Governance & Technical Leadership
Own or support P1/P2 major incidents, participate in technical bridge calls, and provide timely stakeholder updates.
Execute incident, service request, change, pro

📌 Network Engineer (Bengaluru)
🏢 Tata Consultancy Services
📍 Bengaluru